(19)

(11)

EP 0 871 841 A1

(12)

(43) Date of publication: 21.10.1998 Bulletin 1998/43 (21) Application number: 97901332.0 (22) Date of filing: 03.01.1997

(51) International Patent Classification (IPC):  F24H 1/ 10( . ) F24H 9/ 20( . ) (86) International application number: PCT/US1997/000087 (87) International publication number: WO 1997/025572 (17.07.1997 Gazette 1997/31)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 05.01.1996 US 19960583872 (71) Applicants: Mann, Robert, W. Jacksonville, FL 32210 (US) Hall, Herman, H., Jr. Jacksonville, FL 32210 (US)	(72) Inventors: Mann, Robert, W. Jacksonville, FL 32210 (US) Hall, Herman, H., Jr. Jacksonville, FL 32210 (US) (74) Representative: Perry, Robert Edward  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)